9(4+n)=81n=

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Solution for 9(4+n)=81n= equation: 



9(4+n)=81n=

We move all terms to the left:

9(4+n)-(81n)=0

We add all the numbers together, and all the variables

9(n+4)-81n=0

We add all the numbers together, and all the variables

-81n+9(n+4)=0

We multiply parentheses

-81n+9n+36=0

We add all the numbers together, and all the variables

-72n+36=0

We move all terms containing n to the left, all other terms to the right

-72n=-36

n=-36/-72

n=1/2

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